ICD-10 Code D89.833 - Cytokine release syndrome, grade 3

ICD-10-CM Diagnosis Code D89.833

Diagnosis Code: D89.833 (Raw: D89833)

Description: Cytokine release syndrome, grade 3

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code D89.833 is designated for Cytokine release syndrome, grade 3. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.